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We are using the REST API to push the data to our leads when someone fills out a custom form. We have about 3 custom forms that we do not wish to replace with Marketo forms at this point.
We can see which form they filled out by passing a hidden field, but this does not help at all with people who fill out the form twice.
We need a way to use the form submissions as triggers for smart campaigns to push people either to Salesforce or otherwise, even if they're already in there as a lead or contact. Does anyone have a solution for this?